What To Do When - Janome 4052lx Service Manual

CONDITION
1. SKIPPING 1. NEEDLE IS NOT INSERTED
STITCHES PROPERLY.
2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.
3. INCORRECTLY THREADED
4. NEEDLE OR THREAD ARE
INAPPROPRIATE FOR
FABRIC BEING SEWN.
5. SEWING ON STRETCH
FABRIC
6. PRESSER FOOT PRESSURE
IS TOO WEAK.
7. INAPPROPRIATE NEEDLE
BAR HEIGHT
8. INAPPROPRIATE NEEDLE
TO SHUTTLE TIMING
9. INAPPROPRIATE NEEDLE
TO SHUTTLE CLEARANCE
2. FABRIC NOT 1. PRESSER FOOT PRESSURE
MOVING IS TOO WEAK.
2. INCORRECT F.D. HEIGHT
3. F.D. IS IN DOWN POSITION.
4. THREAD ON BOTTOM SIDE
OF FABRIC IS JAMMED UP. BOTH NEEDLE AND BOBBIN
5. FEED DOG TEETH ARE
WORN.

WHAT TO DO WHEN

CAUSE
2
HOW TO FIX
INSERT THE NEEDLE PROPERLY.
RETHREAD.
USE THE RECOMMENDED
SEWING NEEDLE AND THREAD.
USE A #11 BLUE TIP NEEDLE.
ADJUST THE PRESSER BAR
LEVEL TO MAKE THE
PRESSURE STRONGER.
SEE MECHANICAL
ADJUSTMENT
" NEEDLE BAR HEIGHT".
SEE MECHANICAL
ADJUSTMENT
"NEEDLE TO SHUTTLE TIMING".
SEE MECHANICAL
ADJUSTMENT "NEEDLE
CLEARANCE TO SHUTTLE."
ADJUST THE PRESSER BAR
LEVEL TO MAKE THE
PRESSURE STRONGER.
SEE MECHANICAL
ADJUSTMENT "FEED DOG
HEIGHT."
RAISE THE F.D. LEVEL.
MAKE SURE TO BRING
THREAD UNDER THE FOOT
WHEN STARTING SEWING.
CHANGE THE FEED DOG.
REFERENCE
P.16
P.17
P.18
P.15